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Altera_Forum
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10 years ago

Cyclone4 JTAG issues

1.) We are using cyclone4 EP4CE55F23I7N on our custom board.(three FPGA’s per board as shown in schematic attached).It may be mentioned here that all the boards were working previously, but during de...
Altera_Forum's avatar
Altera_Forum
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10 years ago

Dear Rajesh

This types of problem generally comes due to power supply section. I suggest you to check power requirement of your FPGA. Your design will be reliable if you will use separate regulator for device connected to a Individual JTAG chain.

regards

Nikhil